New tool helps businesses, schools, evaluate indoor ventilation
The Healthy Buildings Program at Harvard T.H. Chan School of Public Health released a new online calculator to help people who are using carbon dioxide (CO2) monitors understand ventilation rates in indoor spaces and determine a maximum safe…
A push for safer building materials
Environmental groups are encouraging schools and companies to use non-toxic materials in their construction and renovation projects and to reduce the use of chemicals such as per- and polyfluoroalkyl substances (PFAS).

Program to help business leaders address public health challenges
A new certificate program for business leaders will focus on why incorporating public health considerations as a key part of their work can help people, communities, and the planet—and help businesses thrive at the same time.

White House focusing on air quality to fight COVID-19
Harvard Chan School's Joseph Allen spoke at a White House event focused on the importance of clean indoor air in fighting COVID-19.
‘Road map’ for a stronger pandemic response
A new road map for living with COVID, produced by some of the most prominent national experts on the disease, emphasizes boosting indoor air quality, helping people with long COVID, and broadening the nation’s focus to other respiratory…

Coronavirus (COVID-19): Press Conference with Joseph Allen, 12/14/21
You're listening to a press conference from the Harvard T.H. Chan School of Public Health with Joseph Allen, associate professor of Exposure Assessment Science and director of the Healthy Buildings Program. This call was recorded at 11:30 a.m.…

Opinion: Fix crumbling school infrastructure
School buildings are in desperate need of repair, particularly of their systems that manage indoor air quality, according to an opinion piece co-authored by Harvard Chan School's Joseph Allen.

Office air quality may affect employees’ cognition, productivity
For immediate release: Thursday, September 9, 2021 Boston, MA – The air quality within an office can have significant impacts on employees’ cognitive function, including response times and ability to focus, and it may also affect their productivity,…

Joe Allen’s focus on clean indoor air
A Science magazine profile of healthy buildings expert Joseph Allen described his research on how indoor air quality affects human health and cognition, his work advising companies on ventilation and air filtration, and his efforts during the pandemic…

Natural gas, biomass surpassing coal as biggest pollutants, study finds
Dirty emissions from coal-fired power plants have been declining in recent years. But other sources of air pollution—including soot from the burning of gas, biomass, and wood in buildings—now have more negative health effects than coal combustion, according…